Other sprinkler head spacing requirements include: * Most sprinkler heads will be installed 1″ from the ceiling. Sprinkler heads must be unobstructed to provide maximum flow to the areas that need it. Placing sprinklers too close to walls, to each other, or to obstacles can make a fire much more likely to spread. The concealed pendent sprinklers all produce a hemispherical water distribution pattern below the deflector. The silicone cover gasket is pre-assembled with the concealed cover for an acceptable sprinkler seal for use in a cleanroom or clean zone. Extended Coverage Ordinary Hazard Horizontal Sidewall Sprinklers, Standard Response, K-factor=11.2 Model ELOC Extra Large Orifice Concealed Pendent Sprinklers Extended Coverage, Quick and Standard Response, K-factor=11.2 Series RFII RFII Concealed Pendent Sprinklers Extended Coverage, Quick Response, K-factor=5.6 Series RFII-MRI At Kauffman Co., we believe that an intelligently designed sprinkler system is the single most important thing you can have in your building to keep it safe from fires at all times. Extended coverage sprinklers are mainly of the quick response variety. However, a few of the models can be used in the standard response capacity. For example, a head that you attach to your hose may protrude off of the ground anywhere from a few inches to a foot or more. If your building needs more protection than you can get with a standard coverage fire sprinkler, or if heads cannot be installed to meet normal spacing requirements, you may need to install extended coverage sprinkler heads. Viking sprinklers are available in various finishes for frame-style sprinklers and concealed sprinkler cover plates. Because fire sprinklers are heat activated, sprinkler heads must be located high up on or near the ceiling. VK462, VK464 - Mirage® QR Concealed Pendent MRI Sprinklers (NON-FERROUS) VK478 - Quick Response Flush Pendent Sprinkler (K5.6) VK402, VK413 - Horizon QR Flush Pendent Sprinklers (K5.6) The cover assembly is installed flush with the ceiling to provide a smooth appearance, and is available in several standard decorative finishes to meet design requirements. Viking Mirage® Quick Response Extended Coverage Concealed Pendent Sprinkler VK632 and VK634 are thermosensitive glass-bulb spray sprinkler designed for installation on concealed pipe systems where the appearance of a smooth ceiling is desired. cULus Listed; Flat cover plate concealed pendent with K7.6 (109 metric) ¾” threads, ¾” (19mm) cover plate adjustment; 165°F (74°C) or 212°F (100°C) temperature rating Concealed Sprinkler Head Installation First of all, a concealed fire sprinkler in residential is a fast response, two stage devices that comes in a small size of a down light. But, aesthetically the fire sprinkler heads and concealed escutcheons (cover plates) are sometimes not the most beautiful things to look at. Mirage sprinklers can be purchased with standard response or quick response. These are decorative and standard response. The NFPA lays out specific spacing requirements for sprinkler heads. This is one of many determining factors in how the sprinkler heads must be spaced. EC/QREC Upright Sprinkler (K11.2) Part Number Description MX Number; 61335: Ext Cov 11.2K QR ECOH Upt : MX8532 : EC/QREC Ordinary Hazard Upright Sprinkler (K14.0) Part Number Description MX Number; 61343: Ext Cov 14.0K QR ECOH Upt : MX8570 : EC/QREC Pendent Sprinkler (K8.0) Part Number Description MX Number; 61346: Ext Cov 8.0K QR Pendent : MX8602 : … RFC76 Residential Sprinkler. But a painted cover plate or fire sprinkler head would make your system out of compliance. View Full Details. Choose a product category below or use the search box above to find a specific product. MAXIMUM COVERAGE Standard spray coverage is up to: Light Hazard = 225 square feet(20.9 sq.m); Ordinary Hazard = 130 square feet(12.1 sq.m) per NFPA 13. These requirements are based on hazard level as well as pump flow calculations and may need to be adjusted based on any obstructions that may be present in the area of the sprinkler head. When concealed sprinkler heads are exposed to heat from a fire, the cover plate, which is normally soldered to the support cup at three points, falls away to expose the sprinkler assembly. Arrives before Christmas Only 5 left in stock - order soon. The sprinkler heads that are not designed to retract into the earth when not in use can be thought of as having a “raised” elevation. Reliable extended coverage sprinklers are approved to protect light, ordinary, and extra hazard occupancies, and are available … This means they cannot be blocked by beams, trusses, soffits, or any other elements of your building’s construction. Need it, installing few sprinklers and concealed sprinkler Pendent, cULus Listed, FM Approved a network of pipes. 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